I'm likely wrong as my only experience here is playing ksp, but I would think at no point in the ISS orbit would it be able to economically fire trash at an esc

I'm likely wrong as my only experience here is playing ksp, but I would think at no point in the ISS orbit would it be able to economically fire trash at an escape velocity, and I wonder if doing so would disrupt the ISS orbit. (depending on the weight of the trash)